18964790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1291}}^1$

素因数の和:1424

約数の個数: 32

約数和(自身を含む): 37116576

約数和(自身を除く): 18151786

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1291, 1469, 2582, 2938, 6455, 7345, 12910, 14690, 16783, 33566, 83915, 145883, 167830, 291766, 729415, 1458830, 1896479, 3792958, 9482395, 18964790]

約数ペア:

[(1, 18964790), (2, 9482395), (5, 3792958), (10, 1896479), (13, 1458830), (26, 729415), (65, 291766), (113, 167830), (130, 145883), (226, 83915), (565, 33566), (1130, 16783), (1291, 14690), (1469, 12910), (2582, 7345), (2938, 6455)]